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History

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    History

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      @@ -61,4 +93,4 @@

      History

      - \ No newline at end of file + diff --git a/docs/script.js b/docs/script.js index 8fb19ec..5f8179a 100644 --- a/docs/script.js +++ b/docs/script.js @@ -15,6 +15,8 @@ class UIUpdater { this.rightRotations = 0; this.leftRightRotations = 0; this.rightLeftRotations = 0; + this.comparisons = 0; + this.operationTime = 0; } incrementLeftRotations() { @@ -37,12 +39,27 @@ class UIUpdater { this.updateRotationCount(); } + incrementComparisons() { + this.comparisons++; + this.updateMetrics(); + } + + setOperationTime(time) { + this.operationTime = time; + this.updateMetrics(); + } + updateRotationCount() { document.getElementById('left-rotations').textContent = this.leftRotations; document.getElementById('right-rotations').textContent = this.rightRotations; document.getElementById('left-right-rotations').textContent = this.leftRightRotations; document.getElementById('right-left-rotations').textContent = this.rightLeftRotations; } + + updateMetrics() { + document.getElementById('comparisons').textContent = this.comparisons; + document.getElementById('operation-time').textContent = this.operationTime.toFixed(2); + } } class AVLTree { @@ -94,8 +111,9 @@ class AVLTree { } insert(node, key, parent = null) { + this.uiUpdater.incrementComparisons(); if (!node) { - this.history.push({ type: 'add', key: key, parent: parent ? parent.key : 'none', reason: 'Inserted as a new node' }); + this.history.unshift({ type: 'add', key: key, parent: parent ? parent.key : 'none', reason: 'Inserted as a new node' }); return new AVLNode(key); } if (key < node.key) { @@ -110,26 +128,26 @@ class AVLTree { const balance = this.getBalance(node); if (balance > 1 && key < node.left.key) { - this.history.push({ type: 'rotation', key: node.key, rotation: 'right', reason: 'Left-Left case' }); + this.history.unshift({ type: 'rotation', key: node.key, rotation: 'right', reason: 'Left-Left case' }); return this.rightRotate(node); } if (balance < -1 && key > node.right.key) { - this.history.push({ type: 'rotation', key: node.key, rotation: 'left', reason: 'Right-Right case' }); + this.history.unshift({ type: 'rotation', key: node.key, rotation: 'left', reason: 'Right-Right case' }); return this.leftRotate(node); } if (balance > 1 && key > node.left.key) { node.left = this.leftRotate(node.left); this.uiUpdater.incrementLeftRightRotations(); - this.history.push({ type: 'rotation', key: node.key, rotation: 'left-right', reason: 'Left-Right case' }); + this.history.unshift({ type: 'rotation', key: node.key, rotation: 'left-right', reason: 'Left-Right case' }); return this.rightRotate(node); } if (balance < -1 && key < node.right.key) { node.right = this.rightRotate(node.right); this.uiUpdater.incrementRightLeftRotations(); - this.history.push({ type: 'rotation', key: node.key, rotation: 'right-left', reason: 'Right-Left case' }); + this.history.unshift({ type: 'rotation', key: node.key, rotation: 'right-left', reason: 'Right-Left case' }); return this.leftRotate(node); } @@ -138,18 +156,22 @@ class AVLTree { } addNode(key) { + const startTime = performance.now(); this.root = this.insert(this.root, key); + const endTime = performance.now(); + this.uiUpdater.setOperationTime(endTime - startTime); this.updateHistory(); } search(node, key, path = []) { + this.uiUpdater.incrementComparisons(); if (!node) { - this.history.push({ type: 'search', key: key, path: [...path], found: false }); + this.history.unshift({ type: 'search', key: key, path: [...path], found: false }); return null; } path.push(node.key); if (key === node.key) { - this.history.push({ type: 'search', key: key, path: [...path], found: true }); + this.history.unshift({ type: 'search', key: key, path: [...path], found: true }); return node; } if (key < node.key) { @@ -160,7 +182,10 @@ class AVLTree { } searchNode(key) { + const startTime = performance.now(); const result = this.search(this.root, key); + const endTime = performance.now(); + this.uiUpdater.setOperationTime(endTime - startTime); this.highlightSearchPath(key); this.updateHistory(); return result; @@ -190,11 +215,15 @@ class AVLTree { } deleteNode(key) { + const startTime = performance.now(); this.root = this.delete(this.root, key); + const endTime = performance.now(); + this.uiUpdater.setOperationTime(endTime - startTime); this.updateHistory(); } delete(root, key, parent = null) { + this.uiUpdater.incrementComparisons(); if (!root) return root; if (key < root.key) { @@ -205,10 +234,10 @@ class AVLTree { if (!root.left || !root.right) { const deletedNode = root; root = root.left ? root.left : root.right; - this.history.push({ type: 'delete', key: deletedNode.key, parent: parent ? parent.key : 'none', reason: 'Node had one or no children' }); + this.history.unshift({ type: 'delete', key: deletedNode.key, parent: parent ? parent.key : 'none', reason: 'Node had one or no children' }); } else { const temp = this.getMinValueNode(root.right); - this.history.push({ type: 'delete', key: root.key, parent: parent ? parent.key : 'none', reason: 'Node had two children' }); + this.history.unshift({ type: 'delete', key: root.key, parent: parent ? parent.key : 'none', reason: 'Node had two children' }); root.key = temp.key; root.right = this.delete(root.right, temp.key, root); } @@ -220,24 +249,24 @@ class AVLTree { const balance = this.getBalance(root); if (balance > 1 && this.getBalance(root.left) >= 0) { - this.history.push({ type: 'rotation', key: root.key, rotation: 'right', reason: 'Left-Left case' }); + this.history.unshift({ type: 'rotation', key: root.key, rotation: 'right', reason: 'Left-Left case' }); return this.rightRotate(root); } if (balance > 1 && this.getBalance(root.left) < 0) { root.left = this.leftRotate(root.left); - this.history.push({ type: 'rotation', key: root.key, rotation: 'left-right', reason: 'Left-Right case' }); + this.history.unshift({ type: 'rotation', key: root.key, rotation: 'left-right', reason: 'Left-Right case' }); return this.rightRotate(root); } if (balance < -1 && this.getBalance(root.right) <= 0) { - this.history.push({ type: 'rotation', key: root.key, rotation: 'left', reason: 'Right-Right case' }); + this.history.unshift({ type: 'rotation', key: root.key, rotation: 'left', reason: 'Right-Right case' }); return this.leftRotate(root); } if (balance < -1 && this.getBalance(root.right) > 0) { root.right = this.rightRotate(root.right); - this.history.push({ type: 'rotation', key: root.key, rotation: 'right-left', reason: 'Right-Left case' }); + this.history.unshift({ type: 'rotation', key: root.key, rotation: 'right-left', reason: 'Right-Left case' }); return this.leftRotate(root); } @@ -252,7 +281,7 @@ class AVLTree { } undoLastOperation() { - const lastOperation = this.history.pop(); + const lastOperation = this.history.shift(); if (!lastOperation) return; if (lastOperation.type === 'add') { @@ -501,149 +530,163 @@ function renderTree() { const linkUpdate = linkEnter.merge(link); linkUpdate.transition() - .duration(duration) - .attr('d', d => diagonal(d, d.parent)) - .attr("fill", "none") - .style('stroke', 'lightsteelblue') - .attr("stroke-width", 2); - - nodeUpdate.select('circle.node') - .attr('r', 10) - .style("fill", d => d._children ? "green" : "#fff") // Reset node colors - .attr('cursor', 'pointer'); - - const linkExit = link.exit().transition() - .duration(duration) - .attr('d', d => { - const o = { x: source.x, y: source.y }; - return diagonal(o, o); - }) - .remove(); - - linkExit.select('circle') - .attr('r', 1e-6); - - linkExit.select('text') - .style('fill-opacity', 1e-6); - - nodes.forEach(d => { - d.x0 = d.x; - d.y0 = d.y; - }); - - function diagonal(s, d) { - const path = `M ${s.x} ${s.y} - C ${(s.x + d.x) / 2} ${s.y}, - ${(s.x + d.x) / 2} ${d.y}, - ${d.x} ${d.y}`; - return path; - } - - function click(d) { - if (d.children) { - d._children = d.children; - d.children = null; - } else { - d.children = d._children; - d._children = null; + .duration(duration) + .attr('d', d => diagonal(d, d.parent)) + .attr("fill", "none") + .style('stroke', 'lightsteelblue') + .attr("stroke-width", 2); + + nodeUpdate.select('circle.node') + .attr('r', 10) + .style("fill", d => d._children ? "green" : "#fff") // Reset node colors + .attr('cursor', 'pointer'); + + const linkExit = link.exit().transition() + .duration(duration) + .attr('d', d => { + const o = { x: source.x, y: source.y }; + return diagonal(o, o); + }) + .remove(); + + linkExit.select('circle') + .attr('r', 1e-6); + + linkExit.select('text') + .style('fill-opacity', 1e-6); + + nodes.forEach(d => { + d.x0 = d.x; + d.y0 = d.y; + }); + + function diagonal(s, d) { + const path = `M ${s.x} ${s.y} + C ${(s.x + d.x) / 2} ${s.y}, + ${(s.x + d.x) / 2} ${d.y}, + ${d.x} ${d.y}`; + return path; + } + + function click(d) { + if (d.children) { + d._children = d.children; + d.children = null; + } else { + d.children = d._children; + d._children = null; + } + update(d); } - update(d); } -} -update(rootHierarchy); + update(rootHierarchy); } function updateDimensions() { -const margin = { top: 20, right: 20, bottom: 20, left: 20 }, - width = window.innerWidth - margin.right - margin.left - 40, - height = window.innerHeight - margin.top - margin.bottom - 200; -d3.select("#tree-container svg") - .attr("width", width + margin.right + margin.left) - .attr("height", height + margin.top + margin.bottom); + const margin = { top: 20, right: 20, bottom: 20, left: 20 }, + width = window.innerWidth - margin.right - margin.left - 40, + height = window.innerHeight - margin.top - margin.bottom - 200; + d3.select("#tree-container svg") + .attr("width", width + margin.right + margin.left) + .attr("height", height + margin.top + margin.bottom); +} + +var toggleOpen = document.getElementById('toggleOpen'); +var toggleClose = document.getElementById('toggleClose'); +var collapseMenu = document.getElementById('collapseMenu'); + +function handleClick() { + if (collapseMenu.style.display === 'block') { + collapseMenu.style.display = 'none'; + } else { + collapseMenu.style.display = 'block'; + } } +toggleOpen.addEventListener('click', handleClick); +toggleClose.addEventListener('click', handleClick); window.onresize = () => { -updateDimensions(); -renderTree(); + updateDimensions(); + renderTree(); }; function updateTreeStats() { -const treeDepth = tree.getDepth(); -const treeComplexity = tree.getComplexity(); + const treeDepth = tree.getDepth(); + const treeComplexity = tree.getComplexity(); -document.getElementById('tree-depth').textContent = treeDepth; -document.getElementById('tree-complexity').textContent = treeComplexity; + document.getElementById('tree-depth').textContent = treeDepth; + document.getElementById('tree-complexity').textContent = treeComplexity; } function printTraversals() { -let preOrderResult = []; -let inOrderResult = []; -let postOrderResult = []; - -tree.printPreOrder(undefined, value => preOrderResult.push(value)); -tree.printInOrder(undefined, value => inOrderResult.push(value)); -tree.printPostOrder(undefined, value => postOrderResult.push(value)); -updateTraversalResults(preOrderResult, inOrderResult, postOrderResult); -updateTreeStats(); + let preOrderResult = []; + let inOrderResult = []; + let postOrderResult = []; + + tree.printPreOrder(undefined, value => preOrderResult.push(value)); + tree.printInOrder(undefined, value => inOrderResult.push(value)); + tree.printPostOrder(undefined, value => postOrderResult.push(value)); + updateTraversalResults(preOrderResult, inOrderResult, postOrderResult); + updateTreeStats(); } function updateTraversalResults(preOrder, inOrder, postOrder) { -const resultBox = document.getElementById('resultBox'); -resultBox.value = `Pre-order: ${preOrder}\nIn-order: ${inOrder.join(' ')}\nPost-order: ${postOrder.join(' ')}`; + const resultBox = document.getElementById('resultBox'); + resultBox.value = `Pre-order: ${preOrder}\nIn-order: ${inOrder.join(' ')}\nPost-order: ${postOrder.join(' ')}`; } function resetTree() { -tree = new AVLTree(uiUpdater); -uiUpdater = new UIUpdater(); -uiUpdater.updateRotationCount(); -document.getElementById('resultBox').value = ''; -document.getElementById('valueInput').value = ''; + tree = new AVLTree(uiUpdater); + uiUpdater = new UIUpdater(); + uiUpdater.updateRotationCount(); + document.getElementById('resultBox').value = ''; + document.getElementById('valueInput').value = ''; -d3.select("#tree-container").select("svg").remove(); + d3.select("#tree-container").select("svg").remove(); -localStorage.removeItem('operations'); -tree.history = []; -tree.updateHistory(); + localStorage.removeItem('operations'); + tree.history = []; + tree.updateHistory(); } function searchValue() { -const valueInput = document.getElementById('valueInput'); -const value = parseInt(valueInput.value, 10); -if (!isNaN(value)) { - const result = tree.searchNode(value); - if (result) { - alert(`Node with key ${value} found.`); + const valueInput = document.getElementById('valueInput'); + const value = parseInt(valueInput.value, 10); + if (!isNaN(value)) { + const result = tree.searchNode(value); + if (result) { + alert(`Node with key ${value} found.`); + } else { + alert(`Node with key ${value} not found.`); + } } else { - alert(`Node with key ${value} not found.`); + alert('Please enter a valid number.'); } -} else { - alert('Please enter a valid number.'); -} } function executeSavedOperations() { -const savedOperations = localStorage.getItem('operations'); -if (savedOperations) { - const operations = JSON.parse(savedOperations); - operations.forEach(op => { - if (op.type === 'addValues') { - op.values.forEach(value => { - tree.addNode(value); - }); - } else if (op.type === 'deleteValue') { - tree.deleteNode(op.value); - } - }); - renderTree(); -} + const savedOperations = localStorage.getItem('operations'); + if (savedOperations) { + const operations = JSON.parse(savedOperations); + operations.forEach(op => { + if (op.type === 'addValues') { + op.values.forEach(value => { + tree.addNode(value); + }); + } else if (op.type === 'deleteValue') { + tree.deleteNode(op.value); + } + }); + renderTree(); + } } window.onload = function () { -uiUpdater = new UIUpdater(); -tree = new AVLTree(uiUpdater); -executeSavedOperations(); -updateDimensions(); -printTraversals(); -updateTreeStats(); -}; \ No newline at end of file + uiUpdater = new UIUpdater(); + tree = new AVLTree(uiUpdater); + executeSavedOperations(); + updateDimensions(); + printTraversals(); + updateTreeStats(); +}; diff --git a/docs/styles.css b/docs/styles.css index 9ea74cf..0ff545e 100644 --- a/docs/styles.css +++ b/docs/styles.css @@ -1,10 +1,5 @@ body { font-family: 'Inter', sans-serif; - padding: 20px; - overflow-x: hidden; - display: flex; - flex-direction: column; - align-items: center; background-color: #f9fafb; } @@ -19,6 +14,10 @@ body { overflow: hidden; /* Ensure no scrolling */ } +#history-list { + overflow-y: auto; +} + #history-list li { background: #f9f9f9; margin: 5px 0; @@ -38,37 +37,16 @@ textarea:focus { box-shadow: 0 0 0 2px rgba(49, 130, 206, 0.5); } -aside { - flex-shrink: 0; - background-color: #ffffff; - color: #2d3748; - padding: 20px; - border-radius: 8px; - box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1); -} +@media (max-width: 1024px) { + .lg\:w-1\/4 { + width: 100%; + } -footer a { - opacity: 0.7; - transition: opacity 0.3s ease; -} - -footer a:hover { - opacity: 1; -} + .lg\:flex { + display: block; + } -footer { - color: #a0aec0; + .lg\:space-x-4 { + margin-top: 10px; + } } - -.fixed.bottom-4.right-4 button { - background-color: #f56565; - transition: background-color 0.3s ease; -} - -.fixed.bottom-4.right-4 button:hover { - background-color: #e53e3e; -} - -.fixed.bottom-4.left-4 span { - color: #a0aec0; -} \ No newline at end of file